/**
 * Description:
 * Class Name:example
 * Date:2022/3/25 15:46
 *
 * @author LTisme
 * @version JAVA17
 */
package 疯狂Java讲义.第9章_泛型._9_4_泛型方法._9_4_2_泛型方法和类型通配符的区别;

import java.util.Collection;

interface Col<E>{
    <T> boolean containsAll(Collection<T> c);
    <T extends E> boolean addAll(Collection<T> c);
}

public class example {
}
